Along with other sources, portions were adapted for the 2013 film The Fifth Estate.
The book describes Assange's childhood and details about his work creating and expanding WikiLeaks. It explains how his surname comes from his stepfather, a "touring puppet theater owner", and not his biological father, a choice that Assange made himself.
In response to the book’s publication, WikiLeaks posted on Twitter: ‘The Guardian book serialization contains malicious libels. We will be taking action.’ The Hindu writer, Hasan Suroor, said Assange's concern is that the book is "critical of robust style and his alleged tendency to be a 'control freak'". One of the points of disagreement is that the book claimed he had initially refused to redact the names of Afghan informants to the US military from the Afghan War logs; the book reports him as saying they would "deserve it" if they were killed. When Douglas Murray relayed these comments in a debate on the 9th of April, 2011, Assange interjected “We are in the process of suing The Guardian in relation to that comment.” The Guardian claimed the following day that they had ‘not received any notification of such action from WikiLeaks or its lawyers’, two months after the publication of the book.
In the book, Leigh mentioned the password to a set of unredacted classified US State Department cables. WikiLeaks had earlier distributed multiple copies of files containing all these cables, and others had mirrored their files with BitTorrent. WikiLeaks blamed Leigh and The Guardian for unnecessarily disclosing the password. In response The Guardian said "It's nonsense to suggest the Guardian's WikiLeaks book has compromised security in any way." According to The Guardian, WikiLeaks had indicated that the password was temporary and that WikiLeaks had seven months to take action to protect the files it had subsequently decided to post online. Wikileaks replied that others posted the files online, and as they were publicly available, the password was still useful. The cables contained in the file had their original form and thus they did have all the names that were erased for the safety of the informants. Specifically, the book mentions about the password:
Assange wrote down on a scrap of paper:
ACollectionOfHistorySince_1966_ToThe_PresentDay#. “That’s the password,” he said. “But you have to add one extra word when you type it in. You have to put in the word ‘Diplomatic’ before the word ‘History’. Can you remember that?”